Welcome to the community! Thanks for sharing the feedback.
Compiz is great when it works, it helped resolve my screen tearing but it was an awful crasholic when it was first introduced to this flavour. It was actually down to a few problematic plug-ins.
Sadly, I can't switch my window borders to one of the Ambience Colours themes under Compiz. Something is incompatible.
Just a few things that may be useful for you:
Emerald works!
Those entries might be hiding in ~/.local/share/applications/
. Have a poke in there. There's also the Main Menu, which stores "undo" files in there too.
I don't understand what went wrong here, but the Edit Connections option from the network applet should have done the job just fine:
Followed by disconnecting, then reconnecting from the network applet.